Enshi Chrysan Science and Technology Co., Ltd is a Hi-Tech enterprise devoted to R&D, production and marketing of pharmaceutical products, covering extract material, chemical APIs, and pharmaceutical intermediates. our main products are: quinine, quinine sulfate, quinine hydrochloride, quinine dihydrochloride, quinidine sulphate, vincamine, vinpocetine, tannic acid, gallic acid, propyl gallate, pyrogallol, cefcapene pivoxil, cefcapene pivoxil Hydrochloride, cefdinir, cefteram pivoxil, hydrocortisone sodium succinate.